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ALLIANCEBERNSTEIN L.P.

Position in IONS — Ionis Pharmaceuticals Inc

CIK 1109448 NASHVILLE, TN

Position in IONS

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$30,086,235
+$3,042,561 QoQ
Shares Held
400,669
+17.2% QoQ
Ownership
0.242%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 94.23489214289101.ToString("F0")% Shared 0.ToString("F0")% None 5.765107857108985.ToString("F0")%

Common Shares in IONS Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

ALLIANCEBERNSTEIN L.P. holds $5,113,566,936 across 211 Biotechnology names. IONS ranks #34 (0.6% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in IONS

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $30,086,235 400,669
2025-12-31 $27,043,674 341,849
2025-09-30 $3,549,820 54,262
2025-06-30 $2,056,772 52,057
2025-03-31 $3,039,597 100,749
2024-12-31 $1,822,674 52,136
2024-09-30 $2,089,609 52,162
2024-06-30 $2,443,432 51,268
2024-03-31 $8,286,569 191,155
2023-12-31 $13,017,818 257,320
2023-09-30 $13,812,936 304,518
2023-06-30 $14,218,454 346,538
2023-03-31 $1,736,964 48,600
2022-12-31 $2,209,696 58,504
2022-09-30 $2,569,851 58,102
2022-06-30 $2,253,037 60,860
2022-03-31 $2,294,220 61,939
2021-12-31 $3,140,802 103,214
2021-09-30 $2,295,846 68,451
2021-06-30 $2,784,441 69,803
2021-03-31 $3,475,408 77,300
2020-12-31 $3,905,161 69,069
2020-09-30 $3,305,794 69,669
2020-06-30 $4,102,967 69,589
2020-03-31 $3,260,334 68,958